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# If i have a 82.31% grade average in a math class. If the final exam is 31% of my grade. What do i need to get on the final exam to receive a 75% in my math clas

need help answering a algebra question

# Word problem help

Suppose \$5000 is invested at interest rate k, compounded continuously, and grows to \$6954.84 in 6 years. Find interest rate. Find exponential rate, find balance after 10 years, find the doubling time...

3y/over y(5y-1)  + 2/over 5y-1=   Answer in lowest terms and leave in factored form.

Algebra help

# Solve the following equations

Solve the following equations:  a) 2x + 1=7 b) 2x - 9 =25 c) 5x - 20 = 3x - 8 d) 4r - r over 4 = 15  and the r is above the 4 and the four is under a line! Sorry...

# Einstein's famous formula states that E = mc squared. Rewrite the formula with c as the subject.

Einstein's famous formula states that E = mc squared. Rewrite the formula with c as the subject. please help and show all your working out!  Thank you very much!!

# One side of a rectangle is 2 cm longer than the other. The perimeter of the rectangle (that is, the distance all the way around the edge) is 24cm.

One side of a rectangle is 2 cm longer than the other. The perimeter of the rectangle (that is, the distance all the way around the edge) is 24cm. How long are the sides of the rectangle? please...

# Make y the subject of 4y-2x=17 and 2y over 3-x=z

Make y the subject of 4y-2x=17 and 2y over 3-x=z (by over i mean that 2y is above 3 and 3 is under the line if you know what it mean!)  please help and show working out! thank...

# Use the trial and improvement method to solve the equation 2xcubed+5=24. Find a solution that is a positive number give your answer correct to one decimal place

Use the trial and improvement method to solve the equation 2xcubed+5=24. Find a solution that is a positive number give your answer correct to one decimal place.  ease help and show working...

I need help with my algebra work, i'm home schooled and my mum doesn't know how do do algebra, please help!  Make y the subject of: 4y-2x=17     And   2y...

# Factor the difference of two squares. A^2-121

Factor the difference of two squares of a^2-121

# x^2 + x - 6 / x + 2 / 3x - 6/x - 3

x^2 + x - 6 / x + 2  / 3x - 6/x - 3

# graph y=2x by making a table

I really don't get this and need help!

# Find the greatest common factor of these two expressions

Find the greatest common factor of these two expressions 18v^7 u^6 and 27v^2 x^8 u^5

# The area of a rectangle is 63 m^2, and the length of the rectangle is 5 m more than twice the width. Find the dimensions of the rectangle.

The area of a rectangle is 63 m^2, and the length of the rectangle is 5 m more than twice the width. Find the dimensions of the rectangle.

# 6u^2 + 28u^5 + 16u^4

Factor completely 6u^2 + 28u^5 + 16u^4

# Factor by grouping 4v3 - 7v2 - 24v + 42

Factor by grouping 4v3 - 7v2 - 24v + 42

# factor the expression 4u^7 w - 24u^5 vw^2

Factor the expression 4u^7 w - 24u^5 vw^2